package com.tool.mylibrary.utils;

import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.support.v4.content.FileProvider;

import java.io.File;
import java.util.Locale;

/**
 * name:打开文件的工具类
 * date: 2019/2/14
 * author:ANSWER
 */
public class FileOpenUtil {


    private static final String[][] MIME_MapTable =
            {
                    // {后缀名， MIME类型}
                    {".3gp", "video/3gpp"},
                    {".apk", "application/vnd.android.package-archive"},
                    {".asf", "video/x-ms-asf"},
                    {".avi", "video/x-msvideo"},
                    {".bin", "application/octet-stream"},
                    {".bmp", "image/bmp"},
                    {".c", "text/plain"},
                    {".class", "application/octet-stream"},
                    {".conf", "text/plain"},
                    {".cpp", "text/plain"},
                    {".doc", "application/msword"},
                    {".docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document"},
                    {".xls", "application/vnd.ms-excel"},
                    {".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"},
                    {".exe", "application/octet-stream"},
                    {".gif", "image/gif"},
                    {".gtar", "application/x-gtar"},
                    {".gz", "application/x-gzip"},
                    {".h", "text/plain"},
                    {".htm", "text/html"},
                    {".html", "text/html"},
                    {".jar", "application/java-archive"},
                    {".java", "text/plain"},
                    {".jpeg", "image/jpeg"},
                    {".jpg", "image/jpeg"},
                    {".js", "application/x-javascript"},
                    {".log", "text/plain"},
                    {".m3u", "audio/x-mpegurl"},
                    {".m4a", "audio/mp4a-latm"},
                    {".m4b", "audio/mp4a-latm"},
                    {".m4p", "audio/mp4a-latm"},
                    {".m4u", "video/vnd.mpegurl"},
                    {".m4v", "video/x-m4v"},
                    {".mov", "video/quicktime"},
                    {".mp2", "audio/x-mpeg"},
                    {".mp3", "audio/x-mpeg"},
                    {".mp4", "video/mp4"},
                    {".mpc", "application/vnd.mpohun.certificate"},
                    {".mpe", "video/mpeg"},
                    {".mpeg", "video/mpeg"},
                    {".mpg", "video/mpeg"},
                    {".mpg4", "video/mp4"},
                    {".mpga", "audio/mpeg"},
                    {".msg", "application/vnd.ms-outlook"},
                    {".ogg", "audio/ogg"},
                    {".pdf", "application/pdf"},
                    {".png", "image/png"},
                    {".pps", "application/vnd.ms-powerpoint"},
                    {".ppt", "application/vnd.ms-powerpoint"},
                    {".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation"},
                    {".prop", "text/plain"},
                    {".rc", "text/plain"},
                    {".rmvb", "audio/x-pn-realaudio"},
                    {".rtf", "application/rtf"},
                    {".sh", "text/plain"},
                    {".tar", "application/x-tar"},
                    {".tgz", "application/x-compressed"},
                    {".txt", "text/plain"},
                    {".wav", "audio/x-wav"},
                    {".wma", "audio/x-ms-wma"},
                    {".wmv", "audio/x-ms-wmv"},
                    {".wps", "application/vnd.ms-works"},
                    {".xml", "text/plain"},
                    {".z", "application/x-compress"},
                    {".zip", "application/x-zip-compressed"},
                    {"", "*/*"}
            };

    /**
     * 根据文件后缀名获得对应的MIME类型
     *
     * @param file 文件对象
     */
    public static String getMIMEType(File file) {
        String type = "*/*";
        String fileName = file.getName();
        int dotIndex = fileName.lastIndexOf("."); // 获取后缀名前的分隔符"."在fileName中的位置
        if (dotIndex < 0) {
            return type;
        }

        String end = fileName.substring(dotIndex, fileName.length()).toLowerCase(Locale.getDefault()); // 获取文件的后缀名
        if (end.length() == 0) {
            return type;
        }

        // 在MIME和文件类型的匹配表中找到对应的MIME类型
        for (int i = 0; i < MIME_MapTable.length; i++) {
            if (end.equals(MIME_MapTable[i][0])) {
                type = MIME_MapTable[i][1];
            }
        }
        return type;
    }
    /**
     * 打开文件
     *
     * @param
     */
    public static void openFile(Context context, String filePath) {
        File file = new File(filePath);
        //Uri uri = Uri.parse("file://"+file.getAbsolutePath());
        Intent intent = new Intent();
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        //设置intent的Action属性
        intent.setAction(Intent.ACTION_VIEW);
        //获取文件file的MIME类型
        String type = getMIMEType(file);
        try {
            Uri fileUri = null;
            if (Build.VERSION.SDK_INT >= 24) {
                fileUri = FileProvider.getUriForFile(context, context.getPackageName()+".fileprovider", file);
                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            } else {
                fileUri = Uri.fromFile(file);


            }
            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            //设置intent的data和Type属性。
            intent.setDataAndType(fileUri, type);
            //跳转
            context.startActivity(intent);
        } catch (Exception e) {
            if (e != null) {
                Logger.d("Exception", "打开文件出现异常" + e.toString());
            }
        }
    }
}
